Kennen's build path is far too strong right now
The item changes in the mid year mage update were perfect for him. The holy trinity of
gave him everything he could possibly want:
- Health
- Magic resist
- Armour
- AoE Magic penetration approximately the same size as his ult
- Invulnerability that synergises super well with his ult
- 30% CDR
- Damaging gap closer
- A sizeable amount of AP
All this packed into 3 relatively cheap items with flexible build paths that allow itemisation in the laning phase? Combined with the buffs he got that made his ult far more reliable in the mid season update I'm suprised people haven't been complaining about him sooner
and
Oh boy was I right xD